ITT Engineered Valves

Pure-Flo 913 Stainless Steel Manual Diaphragm Valve

The Pure-Flo 913 is a manual weir diaphragm valve with a stainless steel bonnet and handwheel, developed for the most stringent biopharmaceutical processing. It is the pick where reliability, corrosion resistance and secondary product containment are critical.

Product Benefits

  • All-stainless topworks: The topworks shrug off aggressive cleaning regimes, resisting alcohol and most caustic washdowns.
  • Autoclavable either way: Both the standard 913 and the sealed 913S can be autoclaved.
  • Secondary containment: The sealed option adds secondary product containment, a meaningful safeguard on potent or sterile processes.
  • Smooth, repeatable operation: A brass stem bushing, permanent lubrication, adjustable travel stop, O-ring seals and a visual position indicator keep operation consistent over many cycles.

Where It's Used

  • Critical biopharm processing: Its home is pharmaceutical, bioprocessing and fine-chemical facilities.
  • Repeated sterilization: Valves there see repeated sterilization and harsh washdown chemistry.
  • No-compromise lines: It suits lines where the process owner cannot compromise on topworks corrosion resistance or containment.

Good to Know

  • 316L wetted path: The wetted path is a 316L stainless body with PTFE or elastomer diaphragm options.
  • Full connection range: Hygienic clamp, tubing and international end connections are offered across the size range.
  • Weir-valve fundamentals: Like all Pure-Flo weir valves, the diaphragm isolates the mechanism from the product and the top-entry bonnet permits in-line maintenance.
  • Choosing 913 or 913S: Take the sealed 913S when secondary containment or added protection of the topworks is a requirement; the unsealed 913 covers everything else.